Sachs, R.K..
General Relativity for Mathematicians / - 1st ed / - New York-10010 : Springer-Verlag , 1967 - p291 :
0-387-90218-X
Relativity
CN / L7;2
General Relativity for Mathematicians / - 1st ed / - New York-10010 : Springer-Verlag , 1967 - p291 :
0-387-90218-X
Relativity
CN / L7;2